.338 Federal

The .338 Federal is a rifle cartridge based on the .308 Winchester case necked up to .33 caliber. It was created by Federal Cartridge and SAKO in 2006 and intended as a big-game cartridge with reasonable recoil for lightweight rifles.^[3] .338 Federal can fit SR-25 pattern magazines but requires some modification for reliability^[4]

TypeRifle

PlaceoforiginUnited States

DesignerFederal Cartridge / Sako

ManufacturerFederal Cartridge

Quick facts Type, Place of origin ...

.338 Federal
.338 Federal between .308 Winchester (left) and .358 Winchester (right)
Type	Rifle
Place of origin	United States
Production history
Designer	Federal Cartridge / Sako
Manufacturer	Federal Cartridge
Produced	2006
Specifications
Parent case	.308 Winchester
Case type	Rimless, bottleneck
Bullet diameter	.338 in (8.6 mm)
Neck diameter	.369 in (9.4 mm)
Shoulder diameter	.454 in (11.5 mm)
Base diameter	.470 in (11.9 mm)
Rim diameter	.473 in (12.0 mm)
Rim thickness	.049 in (1.2 mm)
Case length	2.01 in (51 mm)
Overall length	2.75 in (70 mm)
Primer type	Large rifle
Maximum pressure	62,000 psi
Ballistic performance
Bullet mass/type Velocity Energy 180 gr (12 g) AccuBond 2,830 ft/s (860 m/s) 3,200 ft⋠lbf (4,300 J) 185 gr (12 g) Triple Shock 2,750 ft/s (840 m/s) 3,105 ft⋠lbf (4,210 J) 210 gr (14 g) AccuBond 2,630 ft/s (800 m/s) 3,225 ft⋠lbf (4,373 J)
Test barrel length: 24" Pac-Nor Sources: Nosler Load Data,[1] Hodgedon Reloading Data Center[2]

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